#include <stdio.h>

int main(void){
    int nums[3][4]={
        {1,2,3,4},
        {3,4,5,7},
        {8,7,5,9}
    };
    size_t row = sizeof(nums)/sizeof(nums[0]);
    size_t col = sizeof(nums[0])/sizeof(nums[0][0]);

    for (int i = 0; i < row; i++){
        for (int j = 0; j<col; j++){
            printf("%d ",nums[i][j]);
        }
        printf("\n");
    }

    return 0;
}